Foldable Display Device

2. The foldable display device of claim 1, wherein the extension portion of the barrier sheet is bent to be accommodated in a space defined by the first groove portion of the first support member and the second groove portion of the second support member.

4. The foldable display device of claim 3, wherein the bending portion of the barrier sheet is bent in a direction intersecting the folding axis.

5. The foldable display device of claim 3, wherein the bending portion of the barrier sheet has a U-shaped structure having one open side facing toward a center of the foldable display device or facing between the cover portion and the overlapping portion, and has one end connected to the cover portion and another end connected to the overlapping portion.

6. The foldable display device of claim 3, wherein the bending portion of the barrier sheet covers a gap between the display panel and the cover portion in the thickness direction.

7. The foldable display device of claim 3, wherein the bending portion of the barrier sheet protrudes outwardly beyond an edge of the display panel.

8. The foldable display device of claim 3, wherein the cover portion, the overlapping portion, and the bending portion of the barrier sheet are folded or unfolded according to a variation of an angle between the first support member and the second support member.

9. The foldable display device of claim 3, wherein the cover portion of the barrier sheet is attached to back surfaces of the first support member and the second support member, and the overlapping portion of the barrier sheet is attached to a back surface of the display panel.

11. The foldable display device of claim 10, wherein the first adhesive member and the second adhesive member are disposed along an edge of the cover portion of the barrier sheet with the overlapping portion therebetween.

13. The foldable display device of claim 1, wherein each of the first groove portion and the second groove portion includes a first side surface extending along a direction intersecting the direction of the folding axis and a second side surface extending along the direction of the folding axis.

14. The foldable display device of claim 13, wherein the extension portion of the barrier sheet is spaced apart from the first side surface and is in contact with the second side surface.

18. The foldable display device of claim 17, wherein each of the first groove portion and the second groove portion includes a first side surface extending in the first direction, and a second side surface extending in the second direction.